(19)

(11)

EP 4 028 994 A2

(12)

(88) Date of publication A3: 08.04.2021 (43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20848532.6 (22) Date of filing: 06.10.2020

(51) International Patent Classification (IPC):  G06T 9/00(2006.01) (52) Cooperative Patent Classification (CPC): H04N 19/597; G06T 9/001 (86) International application number: PCT/US2020/054414 (87) International publication number: WO 2021/022265 (04.02.2021 Gazette 2021/05)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 07.10.2019 US 201962911813 P (71) Applicant: Huawei Technologies Co., Ltd. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: ZAKHARCHENKO, Vladyslav Sunnyvale, California 94086 (US) CHEN, Jianle San Diego, California 92130 (US) WANG, Ye-Kui San Diego, California 92130 (US) MOGUILLANSKY, Jeff Santa Clara, California 95050 (US) (74) Representative: Maiwald Patent- und Rechtsanwaltsgesellschaft mbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)